How to use iPhone as flash drive withouth Internet and iTunes

Hi,guys!
I'm new to iPhone and also new here.All day i've been trying to solve that:
Yesterday i reinstalled my laptop and i did not have an ethernet driver so I need to download the driver from my other computer copy it to a flash drive and get it on the laptop.I found apps that need wi-fi and i can transfer files between computer and iPhone,but as i wrote i did not have internet.I also found an app that needed iTunes to do this work.Well...as i did not have internet I also did not have the chance to download iTunes on my laptop so i could make the connection between the iPhone and the laptop.
Any suggestions guys without jailbreak?
Thanks!

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